The RAM in this machine is 4GB. This is a high amount of RAM for most laptops. This should make a big difference to the speed and responisveness of the laptop and will allow numerous application to run at once without trouble. Please be aware however be aware that most Windows based PC's cannont take advantage of more than 3GB of RAM unless they have a 64-Bit version of Windows installed.
See here for more detailsThe laptop has a good amount of Hard Drive storage in it, this is the minimum you should expect from a laptop. This size of hard drive will allow most people to store many different programmes and a good amount of personal documents such as files, music, phots and videos
The screen size of this laptop is ok, it is just less than average for a laptop. You shouldn't have a problem reading any text from applications, but will limit how much you can see at once.